Cahokia's Peak Period

Timeline

1. c. 1000–1020Cahokia settlement core area · IllinoisArchaeological evidence shows Cahokia's population grew rapidly in the early 11th century, with surrounding villages integrating into the central settlement, forming one of the largest prehistoric settlements in the Mississippi River Basin as regional political power began to centralize.
2. c. 1005–1050Monks Mound · IllinoisLarge-scale platform mound construction such as Monks Mound continued, with plaza and timber-fenced ceremonial spaces becoming centers of regional ritual and political activity, reflecting the highly organized social structure of Mississippian culture.
3. c. 1020–1100Cahokia trade network · Eastern Great PlainsCopper from the Rocky Mountains, shells from the Gulf of Mexico, and goods from the Great Lakes region flowed into Cahokia; craft workshops and specialized production supported the city's scale economy and external exchange, making it an important distribution node in the North American interior.